Shrubs or small trees 3-5 m, young stems pubescent. Petiole 2-3 mm; leaf blade suborbicular, 1-2 × 1-2 cm, adaxially glabrous, abaxially paler, glabrous or puberulent, base rounded to truncate, very short attenuate onto petiole, apex rounded or obtuse, sometimes very short apiculate-acuminate; primary veins 4 or 5 on each side of midrib, faintly reticulate below. Panicles erect, lateral, loose, 6-10 × 3-7 cm; rachis pubescent. Pedicel 1-3 mm. Calyx ca. 2 mm, almost truncate, teeth minute. Corolla 1.5-1.7 cm; tube cylindric, 1-1.2 cm; lobes ovate, obtuse, 4-5 mm. Anthers inserted slightly above middle of corolla tube. Capsule long elliptic, 1-1.4 cm, nearly smooth. Fl. May-Jun, fr. Sep.

* Arid scrub on slopes, under woods; 2400-3000 m. SE Xizang, NW Yunnan.